package zlatan_demo09_map

import scala.collection.mutable.Map

object ClassDemo02 {
  def main(args: Array[String]): Unit = {
    val map1 = Map("张三" -> 23, "李四" -> 24)

    map1("张三") = 30

    println(s"map1的年龄改为30的结果是: ${map1}")
  }

}
